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 Post subject: 27 and a quarter tubes
PostPosted: Sat Oct 09, 2010 9:29 am 
Devout Dirtbag

Joined: Sun Mar 18, 2007 10:22 pm
Posts: 114
Location: Hertfordshire
hi,

we are sorting out a ladies puegot from the 1980's.
where the hell do i get the above tubes in presta, been looking on chain reaction.

help appreciated

cheers
s


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 Post subject:
PostPosted: Sat Oct 09, 2010 9:58 am 
retrobike rider
retrobike rider
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Joined: Sun Oct 05, 2008 1:17 pm
Posts: 140
Location: Nottingham
Punctured last night on my 27" Carlton wheel, I just put in a 700x28 tube.
Worth a try?


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 Post subject:
PostPosted: Sat Oct 09, 2010 11:03 am 
Devout Dirtbag

Joined: Sun Mar 18, 2007 10:22 pm
Posts: 114
Location: Hertfordshire
velocitizen wrote:
Punctured last night on my 27" Carlton wheel, I just put in a 700x28 tube.
Worth a try?


ok,
will give it a go; do they still make the old tubes sizes?


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 Post subject:
PostPosted: Sat Oct 09, 2010 1:52 pm 
Retro Guru

Joined: Tue May 11, 2010 4:13 pm
Posts: 636
Location: Scarborough
Been asking myself the same question over the ast couple of days, because I think I might have bought a bike with sprint rims, that only take tubular tyres. Sheldon Brown reackons that tubular tyres were never made in different sizes for 27 inch and 700 c wheels; the same size tyre was (and is) described as both 700c and 27 inch....

http://sheldonbrown.com/gloss_tp-z.html#tubular


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 Post subject:
PostPosted: Sat Oct 09, 2010 3:52 pm 
rBoTM Winner
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Joined: Sat Aug 28, 2010 3:44 pm
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Location: at my computer
The tube size written on the box has no impact on the function of the tube itself. As long as you do not need to stretch the tube to get it to fit over the rim (likewise you do not want it to need to be folded over itself to get it inside the tyre), you can readily go with a smaller/larger tube without problem. To better understand, simply inflate a tube on its own, it will inflate to many times the original size and well beyond the tire diameter indicated on the box or on the tube itself. For the most part it will also maintain the exact same pucture resistance.


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 Post subject:
PostPosted: Sat Oct 09, 2010 7:41 pm 
Devout Dirtbag

Joined: Sun Mar 18, 2007 10:22 pm
Posts: 114
Location: Hertfordshire
makes complete sense, tubes can get alarmingly big when you blow them up for punctures..

now; where do i source tyres if these ones are shot?



Citoyen du monde wrote:
The tube size written on the box has no impact on the function of the tube itself. As long as you do not need to stretch the tube to get it to fit over the rim (likewise you do not want it to need to be folded over itself to get it inside the tyre), you can readily go with a smaller/larger tube without problem. To better understand, simply inflate a tube on its own, it will inflate to many times the original size and well beyond the tire diameter indicated on the box or on the tube itself. For the most part it will also maintain the exact same pucture resistance.


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 Post subject:
PostPosted: Sat Oct 09, 2010 7:44 pm 
rider | rBoTM Winner
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Location: Wakefield, Yorkshire
My LBS has them, shouldn't be a problem. I'm surprised they're difficult to get. Try a more 'old fashioned' general dealer rather then a trendy one.


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 Post subject:
PostPosted: Sat Oct 09, 2010 8:26 pm 
Retro Guru
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Location: Letchworth Garden City
rocky mountain wrote:
makes complete sense, tubes can get alarmingly big when you blow them up for punctures..

now; where do i source tyres if these ones are shot?

Where in Herts are you as I've loads of used 27" tubes & secondly 27" tyres are readily available on tinternet & at very good prices delivered to your door. Depends on what you're after.


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